US Bridges

County RD 70 over Coon CR

Fair

Jasper County, Missouri · S 13 T 30 N R 30 W · Structure no. 30761

Built
2004
21 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
63 ft
3 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 70 over Coon CR is a concrete continuous culvert carrying County RD 70 over Coon CR in Jasper County, Missouri. It was built in 2004, so it is 21 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 30 by 2044. The structure is 63 ft (19.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty RD 70
CrossesCoon CR
LocationS 13 T 30 N R 30 W
RouteCounty Highway 67
Coordinates37.34534, -94.17355
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating43.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length63 ft (19.1 m)
Longest span20 ft (6.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic30 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 70 over Coon CR built?

It was built in 2004, making it 21 years old in 2025.

What condition is County RD 70 over Coon CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does County RD 70 over Coon CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 70 over Coon CR?

The structure is 63 ft (19.1 m) long with a longest span of 20 ft (6.2 m).

Who owns County RD 70 over Coon CR?

It is owned by the County Highway Agency.